Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4EPB callsign genealogy
Currently held by PAGAN BURGOS, EFRAIN
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by KP4EPB's current licensee, walking backwards.
- PAGAN BURGOS, EFRAINPRgranted 2022-06-30cancelled 2022-08-06
Successor callsigns
Callsigns held now by people who previously held KP4EPB.
- PAGAN BURGOS, EFRAINPRgranted 2022-08-06cancelled 2022-11-15
All historical holders
Every license row we've seen with the callsign KP4EPB, oldest first.
- RAMIREZ, R ARIEL PR1998-01-05 → cancelled 2010-01-06
- PAGAN BURGOS, EFRAIN PR2022-08-06 → cancelled 2022-10-25